A group of clay minerals formed during the alteration of silicate minerals such as mica and feldspar and commonly found in Marine shales.
硅酸盐矿物(如云母和长石)的蚀变作用期间形成的一族粘土矿物，通常见于海相页岩内。
Analyzing mechanism of formation and component features of alteration and mineralization of clay mineral deposit, sum up indicator of effective.
分析了区内高岭土矿形成机理及蚀变矿化组分特点，总结了有效的找矿标志。
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